ESP8266 Developer Zone The Official ESP8266 Forum 2015-10-14T13:21:07+08:00 https://bbs.espressif.com:443/feed.php?f=6&t=1145 2015-10-14T13:21:07+08:00 2015-10-14T13:21:07+08:00 https://bbs.espressif.com:443/viewtopic.php?t=1145&p=4100#p4100 <![CDATA[Re: Are digital inputs 5v tolerant ?]]>
IO and digital power supply of ESP8266EX ranges from 1.8V to 3.3V.

We donot recommend you to apply 5V to IO.

Thanks.

Statistics: Posted by Espressif_Kelly — Wed Oct 14, 2015 1:21 pm

]]> 2015-09-24T00:16:08+08:00 2015-09-24T00:16:08+08:00 https://bbs.espressif.com:443/viewtopic.php?t=1145&p=3825#p3825 <![CDATA[Are digital inputs 5v tolerant ?]]>
I've searched everywhere, and couldn't find a definitive answer about that.
Datasheet speaks about clamping diodes with a value of 5.8 V, which should mean that inputs ARE 5v tolerant.
But in another page it states that maximum input HI level is IOVDD + 0.3V, so 3.6V on a 3.3 V supply.

Which is the answer ? 5v tolerant or not ?

Statistics: Posted by mdelfede — Thu Sep 24, 2015 12:16 am

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